March is the month when most gardens really wake up. In colder regions, it is prime time for indoor seed starting and preparing beds. In milder climates, spring planting is already rolling, and in the warmest zones, the garden may be producing heavily while you begin shifting toward heat-loving crops.
Zones 1-7a: These zones experience cold winters with extended periods of freezing temperatures. In March, monitor soil conditions, thaw cycles, and late frosts as you prepare for early outdoor sowing. Indoors, this is a busy month for starting cool-season crops and hardy flowers under lights or in a greenhouse so they are ready to transplant as soon as the weather settles.
Zones 7b-9a: These zones experience mild winter weather and are warming quickly in March. Many cool-season crops can be direct sown outdoors, and succession planting helps keep harvests coming as temperatures rise. It is also a great time to start warm-season favorites indoors while keeping frost protection on hand for unexpected cold snaps. And of course, sprouts and microgreens are always in season indoors!
Zones 9b-12: Depending on your area, March can be peak garden season in these warm-winter zones. Many crops planted earlier are now producing, and this month often marks the transition from late cool-season planting to the start of warm-season gardening. In the hottest areas, you may begin planting heat lovers while timing your last rounds of tender cool-season crops before warmer weather arrives.
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![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Bean Seeds - Pole - You Fong Wong Yard Long
70-90 Days to maturity. Vigna unguiculata subsp. sesquipedalis. You Fong Wong Yard Long Bean Seeds. Non-GMO, annual, open-pollinated, heat-tolerant, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in containers,...
Okra Seeds - Perkins Long Pod
Abelmoscgus esculentus (55 days) An old favorite in the South this heirloom okra is vigorous growing 5' tall. Perkins Long pod produces a bright green pod, that is 8" long....
Stainless Steel Hydroponic Microgreens Grower
Re-usable hydroponic grow trays for growing microgreens, wheatgrass, and cat grass on any home windowsill or counterop. Our stainless steel system includes growing trays and a wire mesh designed specifically...
Lentil - French (Organic) - Sprouting Seeds
2-3 Days to Harvest. Lens culinaris. Organic French Lentil Sprouting Seeds. Organic. Non-GMO. Sprouting. High Germination. Known traditionally as "Puy" lentils for having been grown exclusively in the Puy region...
Summer Savory Seeds
Non-GMO, Heirloom Summer Savory Herb Garden Seed from True Leaf Market. Satureja hortensis. Summer Savory is a warm annual Native to regions in Europe, West Asia and Africa. Due to...
Verbena Seeds - Quartz XP Series
84-91 Days to maturity. Verbena x hybrida. Verbena Quartz XP Series Seeds. Non-GMO, Perennial. Verbena Quartz XP Series seeds are a classic and award-winning addition to any home or garden...
Sorghum Seeds - Martin Milo
Sorghum bicolor. 120 days to maturity. In 1937, a plant appeared in a field of another variety that was infested with milo disease. This plant, however, appeared outstanding because of...
Collards Seeds - Vates
75 days. Vates Collard Seeds grow, slick and somewhat crumpled leaves on vigorous spreading plants. Their leaves are dark green with pale green veins. These collard plants are slow bolting...
Eggplant Seeds - Black Beauty - Organic
Solanum melongena esculentum (80 days) Black Beauty Organic Eggplant has large, jet-black fruits that are egg-shaped and weigh 1-3 pounds. Was also know as "Imperial Black Beauty." Eggplant Seeds -...
Lettuce Seeds - Butterhead - Bronze Mignonette
Non-GMO Bronze Mignonette Butterhead Lettuce is tolerant of warm temperatures making it perfect for southern gardens. Mignonette is known for bronze streaks on medium green leaves and is very beautiful....
Snapdragon Seeds - Floral Showers Series
115-121 Days to maturity. Antirrhinum majus. Floral Showers Series Snapdragon Seeds. Non-GMO, Premium Quality Seeds, hybrid, annual. Floral Showers snapdragon seeds grow fragrant, nostalgic, and vibrant blooms where other flowers...
Tomato Seeds - Slicing - Pineapple
85-90 Days to maturity (from transplant). Solanum lycopersicum. Pineapple Tomato Seeds. Non-GMO, warm season annual, open-pollinated, heirloom, indeterminate, slicing tomato. Suitable for growing in garden plots, raised beds, and greenhouses....
Spinach Seeds - Green Vines Supreme Malabar
60 days. Basella alba. Green Vines Supreme Malabar Spinach Seeds. Non-GMO, warm-season annual/perennial, heirloom, open-pollinated. This crop is suitable for trellised garden plots, raised beds, and large containers. This spinach...
Chervil - Curled - Microgreens Seeds
Anthiscus cerefolium Annual. 12 to 26 days Finely cut curled leaves. Parsley-like flavor with a hint of tarragon. Use for soups, egg dishes, fish and sauces. Aromatic leaves. Best to...
Bean Seeds - Bush - Pinto (Organic)
90-95 Days to maturity. Phaseolus vulgaris. Organic Pinto Bean Seeds. Non-GMO, annual, open-pollinated, organic, heirloom, bush, shelling bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses. Pinto...
Chia - Black (Organic) - Sprouting Seeds
10-15 Days to Harvest. Salvia hispanica. Organic Black Chia Sprouting Seeds. Organic. Non-GMO. Sprouting. High Germination. Great for chia pet refills, microgreens, sprouting, storage, vegan recipes, and more. Great source...
Tobacco Seeds - Connecticut Broadleaf
~55-60 Days from transplant to maturity. Nicotiana tabacum. Connecticut Broadleaf Tobacco Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to...
Spinach Seeds - Viroflay
Non-GMO, Heirloom Viroflay Spinach Vegetable Garden Seed from True Leaf Market. Spinacia oleracea. Viroflay Spinach Seeds originate from France around the 17th century and have been cultivated in Paris. The...
Bird Seed Mix (Organic) - Sprouting Seeds
Truly one of the best birdseed mixes available, the True Leaf Organic Bird Seed Mix features 12 varieties of Organic sprouting seeds for birds including Black Oil sunflower seeds, millet,...
Okra Seeds - Red Burgundy
Abelmoschus esculentus (80 days) Developed at Clemson University by Leon Robbins. Wow, magenta stems hold emerald green leaves that are the backdrop for intense purple pods, born from canary yellow...
Tobacco Seeds - Cigar Collection
The Cigar Seed Collection boasts a diverse assortment of three of the most popular tobacco varieties native to both the Caribbean and the famous Connecticut River Valley. Cuban Criollo 98...
Watermelon Seeds - Mini - Baby Doll Hybrid
70-75 Days to maturity. Citrullus lanatus. Baby Doll F1 hybrid Watermelon Seeds. Non-GMO, annual, hybrid, heat tolerant, seeded, mini watermelon. These warm season watermelons win the race as their oval-shaped...
Echinacea Seeds - Magnus
70-84 days maturity. Echinacea purpurea. Echinacea Magnus Seeds. Non-GMO, Heirloom, Perennial. Magnus echinacea seeds grow one of the summer's most celebrated and resilient blooms. These sturdy stems and flat petals...
Mustard - Mizuna - Microgreens Seeds
Up to 12 days. Mizuna is a fast, easy grower that makes a great choice as a secondary green in any salad. It has a very mild mustard / spice...
Beet Seeds - Cylindra
55 days. The Cylindra beet is a variety of beet that originated in Denmark. Their long, cylindrical shape makes them ideal for anyone who wants a larger yield of beets...
Watermelon Seeds - Mini - Sugar Baby (Organic)
75-80 Days to maturity. Citrullus lanatus. Organic Sugar Baby Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Suitable for growing in garden plots and large containers...
Pepper Seeds - Hot - Poblano Ancho
70-79 Days to maturity (from transplant). Capsicum annuum. Poblano Ancho Pepper Seeds. Non-GMO, annual, open-pollinated, heirloom, deer resistant, heat tolerant, drought tolerant, hot-type pepper with mild heat levels. 1,000 to...
Malabar Spinach Seeds - Big Round Leaf
Malabar Spinach Seeds - Big Round Leaf. Heirloom, Basella alba. 50-60 days. Warm season annual. Non GMO. Open pollinated. This is a green big leaf variety. Leaves are thick. Slow...
Cucumber Seeds - Tsuyataro - Hybrid
55 to 75 Days to maturity. Cucumis sativus var. tsuyataro. Tsuyataro Cucumber Hybrid Seeds. Warm-season annual hybrid. Non-GMO. This outstanding, easy-to-grow, burpless type is popular in Japan. The skin is...
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